Gunnbjørn Mountain, mountain in southeastern Greenland, 40 miles (65 km) inland from the Blosseville Coast. The highest point in Greenland (12,139 feet [3,700 m]), it is located in a belt of mountains exceeding 7,000 feet (2,000 m) that extends 500 miles (800 km) down the Blosseville Coast. It was named for a 9th-century Icelandic voyager. Several large glaciers descend eastward to the Denmark Strait.